GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Antilock Brake System (ABS) Mode

4 Channel 4 Sensor

ABS Main Relay Operation Voltage

10-16 Volts

Front Wheel Speed Sensor

  • Resistance

988-1,208 Ω

  • Air Gap

0.5-1.2 mm

0.0197-0.0472 in

Rear Wheel Speed Sensor

  • Resistance

2,295-2,500 Ω

  • Air Gap

0.6-1.2 mm

0.0236-0.0472 in

Speed Ring

  • Inside Diameter - Front

73.75 mm

2.9035 in

  • Inside Diameter - Rear

67 mm

2.6378 in

  • Outside Diameter - Front

83.72 mm

3.2961 in

  • Outside Diameter - Rear

77 mm

3.0315 in

  • Tooth Volume of the Speed Ring - Front

47

  • Tooth Volume of the Speed Ring - Rear

34